Semiconductor cooler-type centrifugal molecular distillation device

A technology of molecular distillation and refrigeration sheet, which is applied in the field of distillation, can solve the problems of auxiliary medium oxidation leakage, large footprint, complicated operation, etc., and achieve the effects of small footprint, compact device structure, and simple operation

Active Publication Date: 2015-12-23
BEIJING UNIV OF CHEM TECH
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Problems solved by technology

[0012] Aiming at the problems of heating oil and coolant auxiliary system in the above-mentioned prior art, the equipment occupies a large area, there are auxiliary medium oxidation leakage, complicated operation, high price, and the influence of external heat medium needs to be considered during use, the purpose of the present invention is to To overcome the above problems, provide a semiconductor refrigeration chip centrifugal molecular distillation device, and finally realize the separation of light and heavy component mixed liquid

Method used

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  • Semiconductor cooler-type centrifugal molecular distillation device
  • Semiconductor cooler-type centrifugal molecular distillation device
  • Semiconductor cooler-type centrifugal molecular distillation device

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Embodiment 1

[0043] As shown in the attached figure, a semiconductor refrigeration chip type centrifugal molecular distillation device, when working, the mixed liquid of light and heavy components to be separated is transported to the high-speed rotating centrifuge through the liquid inlet channel (13) on the liquid inlet base (2). In the annular groove of the annular liquid storage tank (5) on the distillation rotor, under the action of centrifugal force, the mixed liquid in the annular groove passes through the grooves on each distillation body, and is evenly distributed in the heat of the semiconductor refrigeration sheet (21). surface or a surface, a very thin liquid film is formed, and in the vacuum environment of evacuation, the volatile light component fluid in the liquid film is due to the large mean free path of molecular motion, which is heated by the semiconductor refrigeration sheet (21) Under the action, it moves to the cold surface or b surface on the distillation body (19) in...

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Abstract

A semiconductor cooler-type centrifugal molecular distillation device belongs to the field of a distillation technology. The semiconductor cooler-type centrifugal molecular distillation device mainly comprises a hollow power transmission shaft, a liquid inlet pedestal, a first collecting tank, a centrifugal distillation rotor, a bearing, an outer cover, a second collecting tank and a hollow-shaft torque motor. The centrifugal distillation rotor adopts a semiconductor cooler and simultaneously is used as a heat source and a cold source. The whole device has no auxiliary medium system such that there exists no oxidation or leakage problem of an auxiliary medium. The device has a compact structure and occupies little area.

Description

technical field [0001] The invention belongs to the technical field of distillation, and in particular relates to a semiconductor refrigerating plate type centrifugal molecular distillation device. technical background [0002] Molecular distillation technology is a new type of separation technology produced in the 1920s. It is different from traditional distillation, membrane separation and other separation technologies that use different boiling points of substances. For separation, a condensation plate is set between the free paths of the two molecules to condense and collect the light molecules, so as to realize the separation of the two substances, so it has the advantages of high separation precision, short material heating time, and high separation efficiency. It is mainly used for the separation of liquid-liquid mixtures that are close to the boiling point, easy to decompose when heated, and easy to oxidize. Therefore, it is more and more applied to chemical, biolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/12
Inventor 李双喜李欢张秋翔蔡纪宁
Owner BEIJING UNIV OF CHEM TECH
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